[KongchangAI]
Unverified87% confidenceCautionTime unknown

普通CTCSS/DCS亚音频'加密'只是频率分组防串音,不是真正保密,任何同频机器扫描仍可窃听。需真正保密应选支持数字加密(DMR/AES)的机型,用于安保、执法等敏感通信

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